Notes: 129150-59130 BOLT, M4X12 is original YANMAR product. 129150-59130 BOLT, M4X125 is commonly used in transmissions/axles/engines 3TNE68-AC, 3TNE74-NS, 3TNE78A-HP, 4TNE88-NS, 4TNE88-YB, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849